Lenovo 415711U - THINKSTATION S20 TWR W3520 2.8G User Manual

Also see for 4157 - ThinkStation S20 - 2 GB RAM: Hardware Maintenance Manual User guide User guide Hardware Maintenance Manual Safety and Warranty Guide

Contents

Chapter 6. Installing hard disk drives and configuring RAIDThis chapter contains information about installing hard disk drives and configuringRedundant Array of Independent Disks (RAID) for this product.Note: The information about configuring RAID in this chapter is applicable onlyfor a Windows environment. For information about configuring RAID in aLinux environment, contact your Linux software provider.Installing SATA hard disk drives and configuring RAIDThis section contains information about the required number of SATA hard diskdrives for the supported level of RAID and SATA RAID configuration.Installing SATA hard disk drivesYour computer must have the minimum number of SATA hard disk drivesinstalled for the supported level of RAID below:v RAID Level 0 – Striped disk array– Two hard disk drives minimum– Better performance without fault tolerancev RAID Level 1 – Mirrored disk array– Two hard disk drives minimum– Improved read performance and 100% redundancyv RAID Level 5 – Block-level striped disk array with distributed parity– Three hard disk drives minimum– Data striped at the byte level– Stripe error correction information– Better performance and fault toleranceTo install a new SATA hard disk drive, refer to the installation procedure in“Replacing a hard disk drive” in the ThinkStation Hardware Installation andReplacement Guide.Configuring the system BIOS to enable SATA RAIDfunctionalityThis section describes how to configure the system BIOS to enable SATA RAIDfunctionality.Note: Use the arrow keys on the keyboard to make selections.1. Press F1 to enter the system BIOS setup. See “Starting the Setup Utilityprogram” on page 21.2. Select Devices → IDE Drives Setup and press Enter.3. Select SATA RAID Enable and press Enter.4. Select Enabled and press Enter.5. Press F10 to save the new settings and exit.© Copyright Lenovo 2009, 2010 25